Valve



Feb. 2, 19.26. 1,571,351

F. O. WATKINS VALVE Filed D60. 22, 1923 wwmmmm a Patented Feb. 2, 1926.

units rarest orrics.

FRANK (EVEN XVATKINS, OF CINCINNATI, OHIO.

VALVE.

Application filed December 22, 1923. Serial No. 682,352.

To all whom it may COW/067%? Be it known that I, FRANK OWEN lVAr- KINS, a citizen of the United States, and residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented which the receptacles can be drained.

One object of my invention is to provide a. valve mechanism which can be attached to receptacles and by means of which the receptacles can be rapidly drained.

Another object is to provide a valve mechanism in which the valve member is securely seated, and yet can be easily and quickly thrown into an open position.

Still another. object of my invention is to provide a valve mechanism in which the valve is compressibly seated, so that any foreign matter caught in the valve will not mar the valve seating surfaces.

Other objects and advantages will appear as the description of the drawings proceeds, in which Figure 1 is a side elevation partly in section.

Figure 2 is an end section on line 22 of Figure 1', showing the valve in closed position.

Figure 3 is an end section on line 22 of Figure 1, showing the valve in open posi tion and omitting the receptacle and attaching means.

A casing 1 substantially rectangular in plan is provided with a downwardly projecting frame 2 and a circumscribing flange Said flange 3 is secured around an opening in a receptacle 4 by means such as bolts 5 and nuts 6. In the face of said casing 1 is a large valve port 7 sufficient in size to drain readily the receptacle. The under surfaces of the margin of this port 7 are trued up to provide valve seating surfaces 8. If desired, beveled valve seating surfaces or valve seating surfaces otherwise disposed may be employed. Adapted to con tact these VELlWB seating surfaces and entirely close the port 7 is a plate valve 9. At-

tached to the bottom of said valve 9 are blocks 10, through which passes a shaft 11..

lhc shaft 11 has at its opposite ends blocks 12 secured to it by pins 13 whichblocks 12 fit between guides 14. gaid guides 14 pro ject inwardly from the frame projecting from the casing 1 and form a track for these blocks 12, perpendicular to the plane of the draining aperture 7, thus permitting the valve member 9 to be likewise reciprocated in a plane perpendicular to that of the aperture.

Valve operating mechanism.

Suitably located on the shaft 11, in this instance between blocks 10 and blocks 12, are pivotally mounted toggle members 15.

Pivoted to said toggle members 15by means of pins 16 are togglemembers 17. a Each toggle member is formed with a progectmg lug 18 providing a shoulder 19 adapted to meet with the like shoulder on the cooperating toggle member. These shoulders have such relative angles that they form a stop or interlock at the toggle joint which be comes effective after said toggle members have been swung to a predetermined position be ond dead center. All of said togglemembers are rigid and are neither resilient nor compressible.

Passing through toggle member 17 and secured thereto by means, in this case pins 20, is a floating rocl: shaft 21. This actuating shaft 21 is mounted in floating bearing blocks 22 placed in slots 23 of the frame 2. Bearing against these blocks 22 are conipression members 24, in this case bowed springs having their ends 25 disposed in the corners of the frame 2 and exerting pressure medially against said bearing blocks 22. Said slots are aligned with the tracks formed by guides 14, and said guides 14 form a stop for blocks 22 which are pro vided with lugs 26 adapted to contact the ends of said guides 14, thereby limiting the attent of movement of blocks 22.

In operation, the valve 9 is held in a closed position as in Figure 2, by pressure of the springs 24 against the bearing blocks 22.

The toggle members 15 and 17 nave been moved past the dead center and are so held by the interlock at the toggle joint. In order to drain the receptacle the shaft 21 is rocked, the spring 24 is slightly compressed by the toggle members passing the vertical position and as the rocking of the shaft continues, the bearing blocks 22 are forced into contact with the ends of the guides 14 and the valve 9 is drawn down, thereby opening Y the port 7 and draining the-receptacle t.

Having described my invention, I claim:

1. In .a device of the class described, a casing formed with a valve port, a frame projecting from the casing, toggles at opposite sides of said frame, a guided valve member supported by the upper toggle members, a floating rock shaft operatively connecting said lower toggle members, and tension means on the frame pressing the floating rock shaft toward the casing.

2. In a device of the class described, a casing formed with a valve port, a frame prejecting from the casing, toggles at opposite sides of said frame, a guided valve member supported by the upper toggle members, floating rock shaft operatively connecting said lower toggle members, tension means on the frame pressing the floating rock shaft toward the casing, and interlocks on the toggle oints operative at a point beyond the dead center.

3. A valve mechanism comprising a casing, a port in said casing, a valve member adapted to close said port, a track comprising valve guides perpendicular to the plane of the port, slots aligned with said track, a rock shaft floating in said slots, a spring for actuating said rock shaft in said slots, and members connecting said rock shaft to said valve member, whereby the valve is opened and closed by the rocking of the shaft.

4. A valve mechanism comprising a casing, a frame projecting downwardly from said casing, a port in said casing, a valve member adapted to open and close said port, guides perpendicular to the plane of the port and forming tracks in which tracks said valve member is reciprocal, slots aligned with said tracks, a rock shaft floating in said slots, a spring pressing said rock shaft toward the port, toggle members connecting said shaft to said valve member, whereby the valve is opened and closed by the rocking of said shaft, and shoulders on said toggle members forming an interlock or stop for the same at a predetermined position beyond a dead center.

5. In a device of the class described, a casing formed with a valve port, a frame projecting fro-1n said casing, a valve member guided by said frame adapted to close the valve port, a rock shaft having its ends floating in the frame, toggle members operatively connecting said rock shaft and valve meniber, a compression member directing said floating shaft towards said valve member.

6. A valve mechanism comprising a casjecting from said casing, a valve member guided by said frame adapted to close the valve port, a rock shaft having its ends floating in the frame, toggle members operatively connecting said rock shaft and valve member, a compression member directing said floating rockshaft toward said valve member, and shoulders on said toggle members forming an interlock or stop for the same at a predetermined position beyond a dead center.

8. A valve mechanism comprising a casing formed with a valve port, a frame projecting from said casing, a guided valve member adapted to close the valve port, a rock shaftfioating in said frame, toggle members operatively connecting said valve member and said rock shaft, and bowed springs having their ends disposed in the frame pressing said rock shaft toward said valve port, and shoulders on said toggle members forming an interlock or stop for the same at a predetermined position beyond a dead center.

9. In a device of the class described, a casing having a port providing a valve seat, a plate valve providing a closure for said port, guidingly sustained in its movement toward and from the seat to maintain parallelism with the seat, a valve actuating rock shaft yieldingly supported and guidingly sustained to move to ard and from the plate valve, and toggle links connecting said shaft and valve.

10. In a device of the class described, a casing having a port providing a valve seat, a valve providing a closure for said port, a valve actuating rock shaft yieldingly supported and guidingly sustained to move toward and from the valve, and toggle links connecting said shaft and valve.

In witness whereof, I hereunto subscribe my name.

FRANK GIVEN IVATKINS. 

